Dual Sensor Thermometer with Memory-This thermometer has 2 sensors each having its own readout, one sensor is built inside the unit, while the second sensor is water resistant with a 1 metre connection lead. There is a separate 12mm high contrast LCD display for each sensor with IN and OUT indicators. Measures C or F while the min/max memory operates for each sensor and is constantly updated with reset. Supplied with battery and instructions for use.